Surgical instrument.



No. 641,036. Patentedi lah. 9, 1900. c. J. PILLING & a. T. BARBER.

SURGICAL INSTRUMENT.

(Applioation filed Sept. 25, 1899.) (N 0 M 0 1| 0| Witnesses.

Attorney.

InventorS' inn ATES A PATENT Fries.

CHARLES J. FILLING AND GEORGE T. BARBER, OF PHILADELPHIA, PENN-SYLVANIA, 'ASSIGNORS TO SAID CHARLES J. FILLING AND GEORGE P;

ILLING, OF SAME PLACE.

SURGICAL INSTRUMENT.

SPECIFICATION forming part of Letters Patent No. 641,036, dated January9, 1900. Application filed September 25, 1899. Serial No. 731,510. N moel-l To aZZ whom it may concern:

Be it known that we, CHARLES J. PILLING and GEORGE T. BARBER, citizensof the United States, residing in the city of Philadelphia,

State of Pennsylvania, have invented certain new and useful Improvementsin Hinges for Surgical or other Instruments Having Movable Blades orMembers, of which the following is a full, clear, and exact description,ref- 16 erence being had to the accompanying drawings, forming a part ofthis specification.

Our invention relates to hinges for surgical and other instruments inwhich there are two pivoted or movable members moving in the is sameplane to and from each other on their hinged or pivotal connection. Withsuch devices it has long been a desideratum to prevent the wabbling ofsaid members out of normal plane, due to looseness resulting from aswear to and inherent defects in the construction and method of unitingsaid parts.

Our invention has for its object to perfect a hinged connection betweensuch movable members, whereby they may swing freely to 2 5 and from eachother in the same plane and will be prevented from moving out of thatplane by giving each section of the divided hinge attached to one memberof the tool a bearing upon the opposite member of the toolgo andarranging these bearings on opposite sides of the two movable members ofthe tool, so that when the latter are joined by the connecting-screw orother locking and pivoting device they will operate as a clamp withoutinterfering in any manner with the pivotal movement of the members intheir normal plane of movement.

To that end our invention consists in the construction of such a toolhaving movable members united by a hinge constructed and operating onthe principle stated and the essential features of which will behereinafter fully described, and particularly pointed out in the claims.

In the drawings, Figure l is an elevation of a surgical or any otherinstrument composed of two such members united by a hinge deviceembodying our invention. Fig. 2 is an enlarged section through the sameon the line a b. Fig. 3 is a side elevation ofone of the members of thetool with one section of the hinge in place thereon. Fig. 4 is a frontelevation of a portion of the two members of the tool containing,respectively, the two sections constituting the hinge; and Fig. .5 is atop or plan view of the section on the line 0 d of Fig. 4. The twomovable members A and B of the hinged tool have that portion containingthe hinge and for a short distance above and below it (indicated at A)channeled or grooved, as indicated at A for the incidental purpose ofapplying any usual form of spring, such as indicated at B but for theprimary purpose of soldering to one of the walls thereof anannularly-grooved button D and of providing in the opposite wall agrooved recess E, which will fit the shank of a like button D on theopposite like movable member of the tool.

By reference to Fig. 5 it will be seen that the annularly-grooved buttonD has a shank or neck d and that it may be made integral with the wallof the member A or may be made, as shown in the drawings, separatetherefrom and slipped onto said wall,the latter entering the annulargroove of the part D and soldered thereto. The opposite member of thetool is provided with a like annularlygrooved button D, having a shankor neck 8o (1, but is part of or soldered to the opposite Wall of saidmember A. The parts therefore assume the relative position toward eachother as shown in plan View section, Fig. 5, and in side elevation inFig. t. When said mem- S5 bers and their respective sections of hingeare brought into register, the base of the button m (see Fig. 5) willpass into the channel or groove A of the opposite member of the tool andthe head n of the button D will rest upon c the outside surface of thewall of said member, and the lateral edge of said member be.- ingprovided with a circular recess E (see Fig. 3) will coincide with theneck 01 of the button D and form a pivotal bearing therefor. The 9opposite member of the tool is provided with a like button D andconstructed in other respects in like manner, but on the opposite sideor wall of the member, so that when said parts are brought together, asshown in ele- 10o vation in Fig. 1, they will assume the relativepositions shown in section in Fig. 2, a screw or pivot-pin B beinginserted to maintain the parts in position. The adjusting-screw B Fig.1, is the usual means applied in surgical instruments to adjustablyregulate or limit the movement of the members to and from each other.The section Fig. 2 also indicates how said button portion of the hingemay be made integral with the member by which it is carried.

Having thus described our invention, what we claim as new, and desire tosecure by Letters Patent, is-

1. The combination in an instrument of the character described, of achanneled portion in each member, a curved recess in one wall thereofand a hinge-section upon the opposite wall, said hinge-sectionconsisting of an annularly-grooved button, the top and bottom portionsof which are secured to one wall of one member and adapted to bear uponthe oppositely-disposed wall of the opposite member; substantially asdescribed.

2. In an instrument of the character de= scribed, each member having agrooved or channeled portion, an ann ularly-grooved button secured toone wall thereof, the opposite wall being recessed to adapt it toreceive the neck of a like button on the opposite member, and a pivotingdevice adapted to fit a centrally-bored recess in each button, andthereby maintain the parts in register; said elemental parts beingconstructed and combined substantially as described.

3. In an instrument of the character described, the two members A Ahaving each a grooved or channeled portion A an oppositely-disposed wallof each member being recessed at E, a centrally-bored andannularlygrooved button portion D, D arranged on the oppositely-disposedwalls of each member; said parts being adapted to register when broughttogether; with means to cause said parts to pivotally swing upon eachother while maintaining the coincidence of said parts; substantially asdescribed.

In testimony whereof we have hereunto affixed our signatures this 21stday of September, A. D. 1899.

CHARLES J. PILLING. GEORGE T. BARBER.

Witnesses: I

WALTER O. PUSEY, HECTOR T. FENTON.

